package org.blogwu.learn.algorithm.array.arrayList;

import java.util.ArrayList;
import java.util.List;

public class ArrayListTest {
    public static void main(String[] args) {
        List<String> arr = new ArrayList<>();
        arr.add("sdasdas");
        arr.add("sdasdas");
        System.out.println(-10 << 1);
        System.out.println(15 + (15 >> 1));
    }
}
